Solutions by everydaycalculation.com

240 - 89 is -151180.

- Find the least common denominator or LCM of the two denominators:

LCM of 40 and 9 is**360** - For the 1st fraction, since 40 × 9 = 360,

240 = 2 × 940 × 9 = 18360 - Likewise, for the 2nd fraction, since 9 × 40 = 360,

89 = 8 × 409 × 40 = 320360 - Subtract the two fractions:

18360 - 320360 = 18 - 320360 = -302360 - After reducing the fraction, the answer is -151180

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